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TXS0108E: 输出电平不正常,有一段上升过程

Part Number: TXS0108E
Other Parts Discussed in Thread: TXB0108

TXS0108E

VCCA=3.3V ; VCCB=5V

使用信号发生器发送100kHz方波信号至VCCA端作为PWM输入信号,输出信号有明显的上升过程,但不是在整个上升阶段,具体波形如下图所示:

红色为信号发生器波形,输出至VCCA侧,绿色为VCCB侧输出波形,输出侧无负载情况下测得(开路)

原理图如下: